Mathematics, 13.06.2021 04:40 sandy2597

A children's inflatable pool takes 17 minutes to fill with an electric air pump. It takes 50 minutes to let the air out of the pool. If the pool's vale is accidentally left open, how long will ot take to fill the pool?

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A children's inflatable pool takes 17 minutes to fill with an electric air pump. It takes 50 minutes...